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1360e6f0 DM |
1 | package PMG::HTTPServer; |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | use PVE::SafeSyslog; | |
7 | use PVE::INotify; | |
8 | use PVE::Tools; | |
9 | use PVE::APIServer::AnyEvent; | |
10 | use PVE::Exception qw(raise_param_exc); | |
11 | use PVE::RESTEnvironment; | |
12 | ||
13 | use PMG::Ticket; | |
0854fb22 | 14 | use PMG::Cluster; |
1360e6f0 DM |
15 | use PMG::API2; |
16 | ||
17 | use Data::Dumper; | |
18 | ||
19 | use base('PVE::APIServer::AnyEvent'); | |
20 | ||
21 | use HTTP::Status qw(:constants); | |
22 | ||
23 | ||
24 | sub new { | |
25 | my ($this, %args) = @_; | |
26 | ||
27 | my $class = ref($this) || $this; | |
28 | ||
29 | my $self = $class->SUPER::new(%args); | |
30 | ||
31 | $self->{rpcenv} = PVE::RESTEnvironment->init( | |
fbdff659 | 32 | $self->{trusted_env} ? 'priv' : 'pub', atfork => sub { $self->atfork_handler() }); |
1360e6f0 DM |
33 | |
34 | return $self; | |
35 | } | |
36 | ||
37 | ||
38 | sub generate_csrf_prevention_token { | |
39 | my ($username) = @_; | |
40 | ||
41 | return PMG::Ticket::assemble_csrf_prevention_token ($username); | |
42 | } | |
43 | ||
44 | sub auth_handler { | |
45 | my ($self, $method, $rel_uri, $ticket, $token, $peer_host) = @_; | |
46 | ||
47 | my $rpcenv = $self->{rpcenv}; | |
48 | ||
49 | # set environment variables | |
50 | $rpcenv->set_user(undef); | |
51 | $rpcenv->set_language('C'); | |
52 | $rpcenv->set_client_ip($peer_host); | |
53 | ||
54 | $rpcenv->init_request(); | |
55 | ||
56 | my $require_auth = 1; | |
57 | ||
58 | # explicitly allow some calls without auth | |
59 | if (($rel_uri eq '/access/domains' && $method eq 'GET') || | |
60 | ($rel_uri eq '/access/ticket' && ($method eq 'GET' || $method eq 'POST'))) { | |
61 | $require_auth = 0; | |
62 | } | |
63 | ||
64 | my ($username, $age); | |
65 | ||
66 | if ($require_auth) { | |
67 | ||
68 | die "No ticket\n" if !$ticket; | |
69 | ||
70 | ($username, $age) = PMG::Ticket::verify_ticket($ticket); | |
71 | ||
72 | $rpcenv->set_user($username); | |
73 | ||
74 | my $euid = $>; | |
75 | PMG::Ticket::verify_csrf_prevention_token($username, $token) | |
76 | if ($euid != 0) && ($method ne 'GET'); | |
77 | } | |
78 | ||
79 | return { | |
80 | ticket => $ticket, | |
81 | token => $token, | |
82 | userid => $username, | |
83 | age => $age, | |
84 | isUpload => 0, | |
85 | }; | |
86 | } | |
87 | ||
88 | sub rest_handler { | |
89 | my ($self, $clientip, $method, $rel_uri, $auth, $params) = @_; | |
90 | ||
91 | my $rpcenv = $self->{rpcenv}; | |
92 | ||
93 | my $resp = { | |
94 | status => HTTP_NOT_IMPLEMENTED, | |
95 | message => "Method '$method $rel_uri' not implemented", | |
96 | }; | |
97 | ||
98 | my ($handler, $info); | |
99 | ||
100 | eval { | |
101 | my $uri_param = {}; | |
102 | ($handler, $info) = PMG::API2->find_handler($method, $rel_uri, $uri_param); | |
103 | return if !$handler || !$info; | |
104 | ||
105 | foreach my $p (keys %{$params}) { | |
106 | if (defined($uri_param->{$p})) { | |
107 | raise_param_exc({$p => "duplicate parameter (already defined in URI)"}); | |
108 | } | |
109 | $uri_param->{$p} = $params->{$p}; | |
110 | } | |
111 | ||
112 | # check access permissions | |
5232f267 | 113 | PMG::AccessControl::check_api2_permissions($info->{permissions}, $auth->{userid}); |
1360e6f0 DM |
114 | |
115 | if ($info->{proxyto}) { | |
116 | my $pn = $info->{proxyto}; | |
1360e6f0 | 117 | |
352a3fa6 DM |
118 | my $node; |
119 | if ($pn eq 'master') { | |
d2e43f9e | 120 | $node = PMG::Cluster::get_master_node(); |
352a3fa6 DM |
121 | } else { |
122 | $node = $uri_param->{$pn}; | |
123 | raise_param_exc({$pn => "proxy parameter '$pn' does not exists"}) if !$node; | |
124 | } | |
1360e6f0 DM |
125 | |
126 | if ($node ne 'localhost' && $node ne PVE::INotify::nodename()) { | |
127 | die "unable to proxy file uploads" if $auth->{isUpload}; | |
128 | my $remip = $self->remote_node_ip($node); | |
129 | $resp = { proxy => $remip, proxynode => $node, proxy_params => $params }; | |
130 | return; | |
131 | } | |
132 | } | |
133 | ||
134 | my $euid = $>; | |
135 | if ($info->{protected} && ($euid != 0)) { | |
136 | $resp = { proxy => 'localhost' , proxy_params => $params }; | |
137 | return; | |
138 | } | |
139 | ||
140 | $resp = { | |
141 | data => $handler->handle($info, $uri_param), | |
142 | info => $info, # useful to format output | |
143 | status => HTTP_OK, | |
144 | }; | |
145 | ||
146 | if (my $count = $rpcenv->get_result_attrib('total')) { | |
147 | $resp->{total} = $count; | |
148 | } | |
149 | ||
150 | if (my $diff = $rpcenv->get_result_attrib('changes')) { | |
151 | $resp->{changes} = $diff; | |
152 | } | |
153 | }; | |
154 | my $err = $@; | |
155 | ||
156 | $rpcenv->set_user(undef); # clear after request | |
157 | ||
158 | if ($err) { | |
159 | $resp = { info => $info }; | |
160 | if (ref($err) eq "PVE::Exception") { | |
161 | $resp->{status} = $err->{code} || HTTP_INTERNAL_SERVER_ERROR; | |
162 | $resp->{errors} = $err->{errors} if $err->{errors}; | |
163 | $resp->{message} = $err->{msg}; | |
164 | } else { | |
165 | $resp->{status} = HTTP_INTERNAL_SERVER_ERROR; | |
166 | $resp->{message} = $err; | |
167 | } | |
168 | } | |
169 | ||
170 | return $resp; | |
171 | } | |
172 | ||
173 | sub check_cert_fingerprint { | |
174 | my ($self, $cert) = @_; | |
175 | ||
0854fb22 | 176 | return PMG::Cluster::check_cert_fingerprint($cert); |
1360e6f0 DM |
177 | } |
178 | ||
179 | sub initialize_cert_cache { | |
180 | my ($self, $node) = @_; | |
181 | ||
0854fb22 | 182 | PMG::Cluster::initialize_cert_cache($node); |
1360e6f0 DM |
183 | } |
184 | ||
185 | sub remote_node_ip { | |
186 | my ($self, $node) = @_; | |
187 | ||
d2e43f9e | 188 | my $remip = PMG::Cluster::remote_node_ip($node); |
1360e6f0 DM |
189 | |
190 | die "unable to get remote IP address for node '$node'\n" if !$remip; | |
191 | ||
192 | return $remip; | |
193 | } | |
194 | ||
195 | 1; |